31433454401 has 4 divisors (see below), whose sum is σ = 31662895812. Its totient is φ = 31204012992.

The previous prime is 31433454373. The next prime is 31433454443. The reversal of 31433454401 is 10445433413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10197970225 + 21235484176 = 100985^2 + 145724^2 .

It is a cyclic number.

It is not a de Polignac number, because 31433454401 - 2⁶ = 31433454337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31433457401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114720500 + ... + 114720773.

It is an arithmetic number, because the mean of its divisors is an integer number (7915723953).

Almost surely, 2^31433454401 is an apocalyptic number.

It is an amenable number.

31433454401 is a deficient number, since it is larger than the sum of its proper divisors (229441411).

31433454401 is a wasteful number, since it uses less digits than its factorization.

31433454401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229441410.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 31433454401 its reverse (10445433413), we get a palindrome (41878887814).

The spelling of 31433454401 in words is "thirty-one billion, four hundred thirty-three million, four hundred fifty-four thousand, four hundred one".